diff options
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 906f06e97fde..f7b263e237ef 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1336,7 +1336,6 @@ static int usb_serial_register(struct usb_serial_driver *driver) driver->description); return -EINVAL; } - driver->usb_driver->supports_autosuspend = 1; /* Add this device to our list of devices */ mutex_lock(&table_lock); @@ -1371,7 +1370,7 @@ static void usb_serial_deregister(struct usb_serial_driver *device) * @serial_drivers: NULL-terminated array of pointers to drivers to be registered * * Registers @udriver and all the drivers in the @serial_drivers array. - * Automatically fills in the .no_dynamic_id field in @udriver and + * Automatically fills in the .no_dynamic_id and PM fields in @udriver and * the .usb_driver field in each serial driver. */ int usb_serial_register_drivers(struct usb_driver *udriver, @@ -1390,11 +1389,17 @@ int usb_serial_register_drivers(struct usb_driver *udriver, * the serial drivers are registered, because the probe would * simply fail for lack of a matching serial driver. * Therefore save off udriver's id_table until we are all set. + * + * Suspend/resume support is implemented in the usb-serial core, + * so fill in the PM-related fields in udriver. */ saved_id_table = udriver->id_table; udriver->id_table = NULL; udriver->no_dynamic_id = 1; + udriver->supports_autosuspend = 1; + udriver->suspend = usb_serial_suspend; + udriver->resume = usb_serial_resume; rc = usb_register(udriver); if (rc) return rc; |